Precision Planetary : Nema 17 Stepper Motor L=39mm Gear Ratio ...

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This Nema 17 stepper motor with 39mm body and 1.68A rated current, integrated with a 48.3mm Planetary gearbox of 50:1 gear ratio. It's a good solution to applications that with special space but need low speed and/or high torque.

Electrical Specification

Manufacturer Part Number: 17HS15-1684S-HG50
Motor Type: Bipolar Stepper
Step Angle: 0.036 deg
Holding Torque without Gearbox: 39Ncm(55oz.in)
Rated Current/phase: 1.68A
Phase Resistance: 1.6ohms
Voltage: 2.7V
Inductance: 3.2mH ± 20%(1KHz)

Gearbox Specifications

Gearbox Type: Planetary
Gear Ratio: 50 : 1
Efficiency: 90%
Backlash at No-load: <=25 arcmin
Max. Permissible Torque: 15Nm(2124oz.in)
Moment Permissible Torque: 25Nm(3540oz.in)
Max. Radial Load: 150N
Ambient Temperature: -10 - 90℃
Insulation Class: B
Noise: <=50 dB
Life: 20000 h

Physical Specifications

Frame Size: 42 x 42mm
Motor Length: 39mm
Gearbox Length: 48.3mm
Shaft Diameter: Φ8mm
Shaft Length: 23.5mm
Key-way Length: 14mm
Number of Leads: 4
Lead Length: 320mm
Weight: 880g

Connection

A+	A-	B+	B-
Black	Green	Red	Blue

Resources

Full Datasheet: 17HS15-1684S-HG50.pdf

Gearbox Specification
Efficiency	90%
Gear Ratio	50:1
Gearbox Length(mm)	48.3
Gearbox Type	Planetary
Max. Permissible Torque(Ncm)	1500
Max. Permissible Torque(oz.in)	2124.2
Moment Permissible Torque(Ncm)	2500
Moment Permissible Torque(oz.in)	3540.3
Shaft Maximum Radial Load(N)	150
Backlash at No-load(arcmin)	≤25
Motor Specification
Inductance(mH)	3.2
Lead Length(mm)	320
Motor Nema Size	Nema 17
No. of Lead	4
Phase Resistance(ohm)	1.6
Rated Current(A)	1.68
Shaft Diameter(mm)	8
Shaft Length(mm)	23.5
Bipolar/Unipolar	Bipolar
Holding Torque w/o Gearbox(Ncm)	39
Holding Torque w/o Gearbox(oz.in)	55.23
Motor Length(mm)	39
Single Shaft/Dual Shaft	Single Shaft
Shaft Type	Key-way
Physical Specification
Weight(g)	880